guests = ["Mao Zedong", "Liu Yifei", "Zhou Jielun", "Li Bai"]
busy_guest = "Zhou Jielun"
new_guest = "Fang Wenshan"
new_guest_one = "Yu Hua"
new_guest_two = "Zhou Enlai"
new_guest_three = "Lu Xun"
# 周杰伦换成了方文山
guests[2] = new_guest
# 把余华插入名单开头
guests.insert(0, new_guest_one)
# 把周恩来插入名单中间
guests.insert(2, new_guest_two)
# 把鲁迅插入名单名单末尾
guests.append(new_guest_three)
busy_guest_message = busy_guest + " is too busy to have dinner with me."
bigger_table_message = "I have found a bigger table."
print(busy_guest_message)
print(bigger_table_message)
for guest in guests:
    invitation = "Dear " + guest + ", would you like to have dinner with me?"
    print(invitation)